[geary/mjog/account-command-stacks: 35/77] Implement main toolbar composer actions

[Michael Gratton <mjog src gnome org>]

commit d1d8bed53b4b85256dff8dc15f576f594ef7ce59
Author: Michael Gratton <mike vee net>
Date:   Sat Oct 5 10:52:04 2019 +1000

    Implement main toolbar composer actions

 src/client/application/application-controller.vala |  9 +++++++++
 src/client/components/main-window.vala             | 19 +++++++++++++++++++
 2 files changed, 28 insertions(+)
---
diff --git a/src/client/application/application-controller.vala 
b/src/client/application/application-controller.vala
index d5b167c2..62a44247 100644
--- a/src/client/application/application-controller.vala
+++ b/src/client/application/application-controller.vala
@@ -456,6 +456,15 @@ public class Application.Controller : Geary.BaseObject {
         }
     }
 
+    /**
+     * Opens new composer with an existing message as context.
+     */
+    public void compose_with_context_email(ComposerWidget.ComposeType type,
+                                           Geary.Email context,
+                                           string? quote) {
+        create_compose_widget(type, context, quote);
+    }
+
     /** Adds a new composer to be kept track of. */
     public void add_composer(ComposerWidget widget) {
         debug(@"Added composer of type $(widget.compose_type); $(this.composer_widgets.size) composers 
total");
diff --git a/src/client/components/main-window.vala b/src/client/components/main-window.vala
index 82138736..337a73e6 100644
--- a/src/client/components/main-window.vala
+++ b/src/client/components/main-window.vala
@@ -804,6 +804,22 @@ public class MainWindow : Gtk.ApplicationWindow, Geary.BaseInterface {
         this.conversations = null;
     }
 
+    private void create_composer_from_viewer(ComposerWidget.ComposeType compose_type) {
+        ConversationEmail? email_view = null;
+        ConversationListBox? list_view = this.conversation_viewer.current_list;
+        if (list_view != null) {
+            email_view = list_view.get_reply_target();
+        }
+        if (email_view != null) {
+            email_view.get_selection_for_quoting.begin((obj, res) => {
+                    string? quote = email_view.get_selection_for_quoting.end(res);
+                    this.application.controller.compose_with_context_email(
+                        compose_type, email_view.email, quote
+                    );
+                });
+        }
+    }
+
     private void load_more() {
         if (this.conversations != null) {
             this.conversations.min_window_count += MIN_CONVERSATION_COUNT;
@@ -1108,12 +1124,15 @@ public class MainWindow : Gtk.ApplicationWindow, Geary.BaseInterface {
     }
 
     private void on_reply_to_message() {
+        create_composer_from_viewer(REPLY);
     }
 
     private void on_reply_all_message() {
+        create_composer_from_viewer(REPLY_ALL);
     }
 
     private void on_forward_message() {
+        create_composer_from_viewer(FORWARD);
     }
 
     private void on_show_copy_menu() {